$(document).ready(function() {
  
  var imgSrc = $(".upload-cover").find("img").attr("src");
  if(imgSrc == null || imgSrc == undefined) {
    $(".upload-cover").find("img").addClass("hide");
  }
  
  
  $(".upload-cover").hover(function(){
    $(".upload-cover .edit-btn").addClass("in");
  },function(){
    $(".upload-cover .edit-btn").removeClass("in");
  });
  
  $.ajax({
    
    url: $.fitstart.qiniuUptoken,
    // The name of the callback parameter, as specified by the YQL service
    jsonp: "callback",
    // Tell jQuery we're expecting JSONP
    dataType: "jsonp",
    // Work with the response
    success: function( response ) {
      var uploaderCover = Qiniu.uploader({
        runtimes: 'html5,flash,html4',
        browse_button: 'pickCover',
        uptoken: response.token,
        domain: 'http://upload.qiniu.com/',
        max_file_size: '4mb',
        max_retries: 3,
        chunk_size: '2mb',
        save_key: true,
        auto_start: true,
        init: {
          'UploadProgress': function(up, file) {
            $('#messageCover').removeClass("hide");
            $(".edit-btn").addClass("hide").prop("disabled", true);
            $('#messageCover').html("正在上传图片，请稍后");
            $('#submitBtn').attr("disabled", "disabled");
          },
          'FileUploaded': function(up, file, info) {
            var res = $.parseJSON(info);
            var cover_box = '';
            $('#coverPreview').attr("src", $.fitstart.qiniuProd + "/" + res.key + "-0.6");
            $('#coverPreviewList').css("display", "block");
            $('#cover').val(res.key);
            $('#messageCover').html("加载图片完成");
            setTimeout(function() {
              $('#messageCover').addClass("hide");
              $(".edit-btn").addClass("fade").removeClass("hide").prop("disabled", false).html("<span class='glyphicon glyphicon-repeat' aria-hidden='true'></span>&nbsp;&nbsp;重新上传");
            }, 2000);
            $('#submitBtn').removeAttr('disabled');
          },
          'Error': function(up, err, errTip) {
            $('#messageCover').html("图片上传异常，请稍后重试");
          }
        }
      });
    }
  });
});
